		Ext.ux.PagingRowNumberer = Ext.extend(Ext.grid.RowNumberer, { 
			renderer: function(v, p, record, rowIndex, colIndex, store) {
				if (this.rowspan) {
					p.cellAttr = 'rowspan="' + this.rowspan + '"';
				}
		
				var so = store.lastOptions;
				var sop = so ? so.params: null;
				return ((sop && sop.start) ? sop.start: 0) + rowIndex + 1;
			}
		});